﻿<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<head>
    <title></title>
    <style type="text/css">
        .visible
        {
            display: block;
        }
        
        .hidden
        {
            display: none;
        }
    </style>
</head>
<body>
    <div id="div1" class="visible">
        Scope 1
        <div id="div2" class="hidden">
            Scope 2
            <div id="div3" class="visible">
                Scope 3
                <div id="div4" class="visible">
                    Scope 4
                </div>
            </div>
        </div>
    </div>
</body>
</html>
